_.assignInWith(object, sources, [customizer])

_.setWith(object, path, value, [customizer])

_.set(object, path, value)

_.create(prototype, [properties])

_.findLastKey(object, [predicate=_.identity])

_.mapKeys(object, [iteratee=_.identity])

_.defaults(object, [sources])

_.forIn(object, [iteratee=_.identity])

_.defaultsDeep(object, [sources])

_.findKey(object, [predicate=_.identity])